An axle or axletree is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearings or bushings are provided at the mounting points where the axle is supported. In the latter case, a bearing or bushing sits inside a central hole in the wheel to allow the wheel or gear to rotate around the axle. Sometimes, especially on bicycles, the latter type of axle is referred to as a spindle.
A cart or dray is a vehicle designed for transport, using two wheels and normally pulled by draught animals such as horses, donkeys, mules and oxen, or even smaller animals such as goats or large dogs.
A buggy refers to a lightweight four-wheeled carriage drawn by a single horse, though occasionally by two. Amish buggies are still regularly in use on the roadways of America. The word "buggy" has become a generic term for "carriage" in America.
A trainer is a class of aircraft designed specifically to facilitate flight training of pilots and aircrews. The use of a dedicated trainer aircraft with additional safety features—such as tandem flight controls, forgiving flight characteristics and a simplified cockpit arrangement—allows pilots-in-training to safely advance their skills in a more forgiving aircraft.
A dump truck, known also as a dumping truck, dump trailer, dumper trailer, dump lorry or dumper lorry or a dumper for short, is used for transporting materials for construction as well as coal. A typical dump truck is equipped with an open-box bed, which is hinged at the rear and equipped with hydraulic rams to lift the front, allowing the material in the bed to be deposited ("dumped") on the ground behind the truck at the site of delivery. In the UK, Australia, South Africa and India the term applies to off-road construction plants only and the road vehicle is known as a tip lorry, tipper lorry, tipper truck, tip truck, tip trailer or tipper trailer or simply a tipper.
In civil engineering, a wheel tractor-scraper is a type of heavy equipment used for earthmoving. It has a pan/hopper for loading and carrying material. The pan has a tapered horizontal front cutting edge that cuts into the soil like a carpenter's plane or cheese slicer and fills the hopper which has a movable ejection system. The horsepower of the machine, depth of the cut, type of material, and slope of the cut area affect how quickly the pan is filled.
A horse-drawn vehicle is a piece of equipment pulled by one or more horses. These vehicles typically have two or four wheels and were used to carry passengers or a load. They were once common worldwide, but they have mostly been replaced by automobiles and other forms of self-propelled transport but are still in use today.
A lorry or lorrie was a low flat horse-drawn vehicle with no sides, related to the trolley and dray.
A breastplate is a piece of tack (equipment) used on horses. Its purpose is to keep a saddle from sliding back. It is also a safety feature—if the saddle's girth or billets break, a rider may have enough time to stop the horse and dismount before the saddle slips off the animal's back. The breastplate is used on both English and Western saddles. Western riding involving working cattle use a thicker sturdier style than in English riding or Western riding horse shows. A breastplate is most helpful for horses with large shoulders and a flat ribcage. A breast collar as part of a harness is used to pull a load.
A semi-trailer is a trailer without a front axle. The combination of a semi-trailer and a tractor truck is called a semi-trailer truck.
A flatbed truck is a type of truck the bodywork of which is just an entirely flat, level 'bed' with no sides or roof. This allows for quick and easy loading of goods, and consequently they are used to transport heavy loads that are not delicate or vulnerable to rain, and also for abnormal loads that require more space than is available on a closed body. Flatbed trucks can be either articulated or rigid.
Driving, when applied to horses, ponies, mules, or donkeys, is a broad term for hitching equines to a wagon, carriage, cart, sleigh, or other horse-drawn vehicle by means of a harness and working them in this way. It encompasses a wide range of activities from pleasure driving, to harness racing, to farm work, horse shows, and even international combined driving.
A horse harness is a device that connects a horse to a horse-drawn vehicle or another type of load to pull. There are two main designs of horse harness: (1) the breast collar or breaststrap, and (2) the full collar or collar-and-hames.
A swingletree or singletree is a small wooden or metal bar behind a harnessed horse. It is used to balance the pull of a draught horse or other draught animal when pulling a vehicle. It is a kind of whippletree, and the term is also used sometimes for other whippletrees.
A whippletree, or whiffletree, is a mechanism to distribute force evenly through linkages. It is also referred to as an equalizer, leader bar, or double tree. It consists of a bar pivoted at or near the centre, with force applied from one direction to the pivot and from the other direction to the tips. Several whippletrees may be used in series to distribute the force further, such as to simulate pressure over an area as when applying loading to test airplane wings. Whippletrees may be used either in compression or tension. They were also used for subtraction and addition calculations in mechanical computers. Tension whippletrees are used in artful hung mobiles, such as those by artist Alexander Calder.
A terret or rein ring is a metal loop on a horse harness through which the lines (reins) pass to prevent them from tangling or getting snagged on the harness or shafts.
The Parnall Possum was an experimental triplane with a single, central engine driving wing-mounted propellers via shafts and gears. Two of these British aircraft were built in the mid-1920s.
A float is a form of two-wheeled horse-drawn cart, often with a dropped axle to give an especially low load-bed. They were intended for use by deliverymen and the carrying of heavy or unstable items such as milk churns.
The Zeppelin-Staaken Riesenflugzeuge were a series of very large bomber aircraft - Riesenflugzeuge, usually powered by four or more engines, designed and built in Germany from 1915 to 1919.
A Sjees is a traditional Dutch two-wheeled carriage pulled by one or two horses, which originates from Friesland in the north of Netherlands. Also called a Friesian chaise, it resembles a chaise or gig carriage but with unique regional distinctions. The undercarriage, wooden axle, large wheels, and shafts are usually painted white. The body, which is supported on cee-springs and leather braces, has a curved dash and seats two people. Typically, the body is decorated with elaborate painting, gilding and carvings, and the upholstery is brightly colored velvet or leather.
